diff --git a/Cargo.lock b/Cargo.lock
index 63beddf..f679eb4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -128,7 +128,7 @@ dependencies = [
 
 [[package]]
 name = "client"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 dependencies = [
  "anyhow",
  "clap",
@@ -644,7 +644,7 @@ dependencies = [
 
 [[package]]
 name = "netlink-request"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 dependencies = [
  "netlink-packet-core",
  "netlink-packet-generic",
@@ -929,7 +929,7 @@ dependencies = [
 
 [[package]]
 name = "server"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 dependencies = [
  "anyhow",
  "bytes",
@@ -964,7 +964,7 @@ dependencies = [
 
 [[package]]
 name = "shared"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 dependencies = [
  "anyhow",
  "atty",
@@ -1345,7 +1345,7 @@ checksum = "504a2476202769977a040c6364301a3f65d0cc9e3fb08600b2bda150a0488316"
 
 [[package]]
 name = "wireguard-control"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 dependencies = [
  "base64",
  "curve25519-dalek",
diff --git a/README.md b/README.md
index 4f0e8a4..69f69ce 100644
--- a/README.md
+++ b/README.md
@@ -214,10 +214,10 @@ brew install tonarino/innernet/innernet
 
 ```sh
 # to install innernet:
-cargo install --git https://github.com/tonarino/innernet --tag v1.5.4-beta.4 client
+cargo install --git https://github.com/tonarino/innernet --tag v1.5.4-beta.5 client
 
 # to install innernet-server:
-cargo install --git https://github.com/tonarino/innernet --tag v1.5.4-beta.4 server
+cargo install --git https://github.com/tonarino/innernet --tag v1.5.4-beta.5 server
 ```
 
 Note that you'll be responsible for updating manually.
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 58decee..1922b3f 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT"
 name = "client"
 publish = false
 repository = "https://github.com/tonarino/innernet"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 
 [[bin]]
 name = "innernet"
diff --git a/doc/innernet-server.8 b/doc/innernet-server.8
index 207504a..fa6d8f2 100644
--- a/doc/innernet-server.8
+++ b/doc/innernet-server.8
@@ -1,9 +1,9 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH INNERNET-SERVER "8" "February 2022" "innernet-server 1.5.4-beta.4" "System Administration Utilities"
+.TH INNERNET-SERVER "8" "March 2022" "innernet-server 1.5.4-beta.5" "System Administration Utilities"
 .SH NAME
-innernet-server \- manual page for innernet-server 1.5.4-beta.4
+innernet-server \- manual page for innernet-server 1.5.4-beta.5
 .SH DESCRIPTION
-innernet\-server 1.5.4\-beta.4
+innernet\-server 1.5.4\-beta.5
 Jake McGinty <me@jake.su>
 A server to coordinate innernet networks.
 .SS "USAGE:"
@@ -27,8 +27,7 @@ auto\-select based on availability [default: kernel] [possible
 values: kernel, userspace]
 .TP
 \fB\-\-mtu\fR <MTU>
-Specify the desired MTU for your interface (default: 1420 for
-IPv4 and 1400 for IPv6)
+Specify the desired MTU for your interface (default: 1280)
 .TP
 \fB\-h\fR, \fB\-\-help\fR
 Print help information
diff --git a/doc/innernet-server.8.gz b/doc/innernet-server.8.gz
index 68e7101..60610b8 100644
Binary files a/doc/innernet-server.8.gz and b/doc/innernet-server.8.gz differ
diff --git a/doc/innernet-server.completions.bash b/doc/innernet-server.completions.bash
index 03df9be..720d6c9 100644
--- a/doc/innernet-server.completions.bash
+++ b/doc/innernet-server.completions.bash
@@ -69,7 +69,7 @@ _innernet-server() {
                     return 0
                     ;;
                 --backend)
-                    COMPREPLY=($(compgen -W "kernel userspace" -- "${cur}"))
+                    COMPREPLY=($(compgen -W "" -- "${cur}"))
                     return 0
                     ;;
                 --mtu)
@@ -253,7 +253,7 @@ _innernet-server() {
             fi
             case "${prev}" in
                 --backend)
-                    COMPREPLY=($(compgen -W "kernel userspace" -- "${cur}"))
+                    COMPREPLY=($(compgen -W "" -- "${cur}"))
                     return 0
                     ;;
                 --mtu)
diff --git a/doc/innernet-server.completions.elvish b/doc/innernet-server.completions.elvish
index 3d44813..f3967dc 100644
--- a/doc/innernet-server.completions.elvish
+++ b/doc/innernet-server.completions.elvish
@@ -23,7 +23,7 @@ set edit:completion:arg-completer[innernet-server] = {|@words|
             cand -d 'd'
             cand --data-dir 'data-dir'
             cand --backend 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability'
-            cand --mtu 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)'
+            cand --mtu 'Specify the desired MTU for your interface (default: 1280)'
             cand -h 'Print help information'
             cand --help 'Print help information'
             cand -V 'Print version information'
@@ -54,7 +54,7 @@ set edit:completion:arg-completer[innernet-server] = {|@words|
         }
         &'innernet-server;serve'= {
             cand --backend 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability'
-            cand --mtu 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)'
+            cand --mtu 'Specify the desired MTU for your interface (default: 1280)'
             cand --no-routing 'Whether the routing should be done by innernet or is done by an external tool like e.g. babeld'
             cand -h 'Print help information'
             cand --help 'Print help information'
diff --git a/doc/innernet-server.completions.fish b/doc/innernet-server.completions.fish
index dd7dde2..b5577d9 100644
--- a/doc/innernet-server.completions.fish
+++ b/doc/innernet-server.completions.fish
@@ -1,7 +1,7 @@
 complete -c innernet-server -n "__fish_use_subcommand" -s c -l config-dir -r
 complete -c innernet-server -n "__fish_use_subcommand" -s d -l data-dir -r
 complete -c innernet-server -n "__fish_use_subcommand" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "{kernel	,userspace	}"
-complete -c innernet-server -n "__fish_use_subcommand" -l mtu -d 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)' -r
+complete -c innernet-server -n "__fish_use_subcommand" -l mtu -d 'Specify the desired MTU for your interface (default: 1280)' -r
 complete -c innernet-server -n "__fish_use_subcommand" -s h -l help -d 'Print help information'
 complete -c innernet-server -n "__fish_use_subcommand" -s V -l version -d 'Print version information'
 complete -c innernet-server -n "__fish_use_subcommand" -l no-routing -d 'Whether the routing should be done by innernet or is done by an external tool like e.g. babeld'
@@ -22,7 +22,7 @@ complete -c innernet-server -n "__fish_seen_subcommand_from new" -l auto-externa
 complete -c innernet-server -n "__fish_seen_subcommand_from new" -s h -l help -d 'Print help information'
 complete -c innernet-server -n "__fish_seen_subcommand_from uninstall" -s h -l help -d 'Print help information'
 complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "{kernel	,userspace	}"
-complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l mtu -d 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)' -r
+complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l mtu -d 'Specify the desired MTU for your interface (default: 1280)' -r
 complete -c innernet-server -n "__fish_seen_subcommand_from serve" -l no-routing -d 'Whether the routing should be done by innernet or is done by an external tool like e.g. babeld'
 complete -c innernet-server -n "__fish_seen_subcommand_from serve" -s h -l help -d 'Print help information'
 complete -c innernet-server -n "__fish_seen_subcommand_from add-peer" -l name -d 'Name of new peer' -r
diff --git a/doc/innernet-server.completions.powershell b/doc/innernet-server.completions.powershell
index 0ac5503..d1d916e 100644
--- a/doc/innernet-server.completions.powershell
+++ b/doc/innernet-server.completions.powershell
@@ -26,7 +26,7 @@ Register-ArgumentCompleter -Native -CommandName 'innernet-server' -ScriptBlock {
             [CompletionResult]::new('-d', 'd', [CompletionResultType]::ParameterName, 'd')
             [CompletionResult]::new('--data-dir', 'data-dir', [CompletionResultType]::ParameterName, 'data-dir')
             [CompletionResult]::new('--backend', 'backend', [CompletionResultType]::ParameterName, 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability')
-            [CompletionResult]::new('--mtu', 'mtu', [CompletionResultType]::ParameterName, 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)')
+            [CompletionResult]::new('--mtu', 'mtu', [CompletionResultType]::ParameterName, 'Specify the desired MTU for your interface (default: 1280)')
             [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help information')
             [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help information')
             [CompletionResult]::new('-V', 'V', [CompletionResultType]::ParameterName, 'Print version information')
@@ -60,7 +60,7 @@ Register-ArgumentCompleter -Native -CommandName 'innernet-server' -ScriptBlock {
         }
         'innernet-server;serve' {
             [CompletionResult]::new('--backend', 'backend', [CompletionResultType]::ParameterName, 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability')
-            [CompletionResult]::new('--mtu', 'mtu', [CompletionResultType]::ParameterName, 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)')
+            [CompletionResult]::new('--mtu', 'mtu', [CompletionResultType]::ParameterName, 'Specify the desired MTU for your interface (default: 1280)')
             [CompletionResult]::new('--no-routing', 'no-routing', [CompletionResultType]::ParameterName, 'Whether the routing should be done by innernet or is done by an external tool like e.g. babeld')
             [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help information')
             [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help information')
diff --git a/doc/innernet-server.completions.zsh b/doc/innernet-server.completions.zsh
index fe2894f..1747495 100644
--- a/doc/innernet-server.completions.zsh
+++ b/doc/innernet-server.completions.zsh
@@ -20,7 +20,7 @@ _innernet-server() {
 '-d+[]:DATA_DIR: ' \
 '--data-dir=[]:DATA_DIR: ' \
 '--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]:BACKEND:(kernel userspace)' \
-'--mtu=[Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)]:MTU: ' \
+'--mtu=[Specify the desired MTU for your interface (default: 1280)]:MTU: ' \
 '-h[Print help information]' \
 '--help[Print help information]' \
 '-V[Print version information]' \
@@ -56,7 +56,7 @@ _arguments "${_arguments_options[@]}" \
 (serve)
 _arguments "${_arguments_options[@]}" \
 '--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]:BACKEND:(kernel userspace)' \
-'--mtu=[Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)]:MTU: ' \
+'--mtu=[Specify the desired MTU for your interface (default: 1280)]:MTU: ' \
 '--no-routing[Whether the routing should be done by innernet or is done by an external tool like e.g. babeld]' \
 '-h[Print help information]' \
 '--help[Print help information]' \
diff --git a/doc/innernet.8 b/doc/innernet.8
index be366c5..fecefa1 100644
--- a/doc/innernet.8
+++ b/doc/innernet.8
@@ -1,9 +1,9 @@
 .\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.49.1.
-.TH INNERNET "8" "February 2022" "innernet 1.5.4-beta.4" "System Administration Utilities"
+.TH INNERNET "8" "March 2022" "innernet 1.5.4-beta.5" "System Administration Utilities"
 .SH NAME
-innernet \- manual page for innernet 1.5.4-beta.4
+innernet \- manual page for innernet 1.5.4-beta.5
 .SH DESCRIPTION
-innernet 1.5.4\-beta.4
+innernet 1.5.4\-beta.5
 Jake McGinty <jake@tonari.no>
 A client to manage innernet network interfaces.
 .SS "USAGE:"
@@ -30,8 +30,7 @@ auto\-select based on availability [default: kernel] [possible
 values: kernel, userspace]
 .TP
 \fB\-\-mtu\fR <MTU>
-Specify the desired MTU for your interface (default: 1420 for
-IPv4 and 1400 for IPv6)
+Specify the desired MTU for your interface (default: 1280)
 .TP
 \fB\-h\fR, \fB\-\-help\fR
 Print help information
diff --git a/doc/innernet.8.gz b/doc/innernet.8.gz
index 659e2a1..f101c19 100644
Binary files a/doc/innernet.8.gz and b/doc/innernet.8.gz differ
diff --git a/doc/innernet.completions.bash b/doc/innernet.completions.bash
index d25d6c2..5a22750 100644
--- a/doc/innernet.completions.bash
+++ b/doc/innernet.completions.bash
@@ -102,7 +102,7 @@ _innernet() {
                     return 0
                     ;;
                 --backend)
-                    COMPREPLY=($(compgen -W "kernel userspace" -- "${cur}"))
+                    COMPREPLY=($(compgen -W "" -- "${cur}"))
                     return 0
                     ;;
                 --mtu)
diff --git a/doc/innernet.completions.elvish b/doc/innernet.completions.elvish
index 6416427..d088c18 100644
--- a/doc/innernet.completions.elvish
+++ b/doc/innernet.completions.elvish
@@ -23,7 +23,7 @@ set edit:completion:arg-completer[innernet] = {|@words|
             cand -d 'd'
             cand --data-dir 'data-dir'
             cand --backend 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability'
-            cand --mtu 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)'
+            cand --mtu 'Specify the desired MTU for your interface (default: 1280)'
             cand -h 'Print help information'
             cand --help 'Print help information'
             cand -V 'Print version information'
diff --git a/doc/innernet.completions.fish b/doc/innernet.completions.fish
index 124bbdb..fbac7ad 100644
--- a/doc/innernet.completions.fish
+++ b/doc/innernet.completions.fish
@@ -1,7 +1,7 @@
 complete -c innernet -n "__fish_use_subcommand" -s c -l config-dir -r
 complete -c innernet -n "__fish_use_subcommand" -s d -l data-dir -r
 complete -c innernet -n "__fish_use_subcommand" -l backend -d 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability' -r -f -a "{kernel	,userspace	}"
-complete -c innernet -n "__fish_use_subcommand" -l mtu -d 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)' -r
+complete -c innernet -n "__fish_use_subcommand" -l mtu -d 'Specify the desired MTU for your interface (default: 1280)' -r
 complete -c innernet -n "__fish_use_subcommand" -s h -l help -d 'Print help information'
 complete -c innernet -n "__fish_use_subcommand" -s V -l version -d 'Print version information'
 complete -c innernet -n "__fish_use_subcommand" -s v -l verbose -d 'Verbose output, use -vv for even higher verbositude'
diff --git a/doc/innernet.completions.powershell b/doc/innernet.completions.powershell
index 7395da1..c6e2de7 100644
--- a/doc/innernet.completions.powershell
+++ b/doc/innernet.completions.powershell
@@ -26,7 +26,7 @@ Register-ArgumentCompleter -Native -CommandName 'innernet' -ScriptBlock {
             [CompletionResult]::new('-d', 'd', [CompletionResultType]::ParameterName, 'd')
             [CompletionResult]::new('--data-dir', 'data-dir', [CompletionResultType]::ParameterName, 'data-dir')
             [CompletionResult]::new('--backend', 'backend', [CompletionResultType]::ParameterName, 'Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability')
-            [CompletionResult]::new('--mtu', 'mtu', [CompletionResultType]::ParameterName, 'Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)')
+            [CompletionResult]::new('--mtu', 'mtu', [CompletionResultType]::ParameterName, 'Specify the desired MTU for your interface (default: 1280)')
             [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help information')
             [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Print help information')
             [CompletionResult]::new('-V', 'V', [CompletionResultType]::ParameterName, 'Print version information')
diff --git a/doc/innernet.completions.zsh b/doc/innernet.completions.zsh
index 854d3e4..81a3c0d 100644
--- a/doc/innernet.completions.zsh
+++ b/doc/innernet.completions.zsh
@@ -20,7 +20,7 @@ _innernet() {
 '-d+[]:DATA_DIR: ' \
 '--data-dir=[]:DATA_DIR: ' \
 '--backend=[Specify a WireGuard backend to use. If not set, innernet will auto-select based on availability]:BACKEND:(kernel userspace)' \
-'--mtu=[Specify the desired MTU for your interface (default: 1420 for IPv4 and 1400 for IPv6)]:MTU: ' \
+'--mtu=[Specify the desired MTU for your interface (default: 1280)]:MTU: ' \
 '-h[Print help information]' \
 '--help[Print help information]' \
 '-V[Print version information]' \
diff --git a/netlink-request/Cargo.toml b/netlink-request/Cargo.toml
index 3877963..cf202d6 100644
--- a/netlink-request/Cargo.toml
+++ b/netlink-request/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "netlink-request"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 edition = "2021"
 
 [target.'cfg(target_os = "linux")'.dependencies]
diff --git a/server/Cargo.toml b/server/Cargo.toml
index ec932c3..aeaea4d 100644
--- a/server/Cargo.toml
+++ b/server/Cargo.toml
@@ -6,7 +6,7 @@ license = "MIT"
 name = "server"
 publish = false
 readme = "README.md"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 
 [[bin]]
 name = "innernet-server"
diff --git a/shared/Cargo.toml b/shared/Cargo.toml
index 155c12e..9cee3d8 100644
--- a/shared/Cargo.toml
+++ b/shared/Cargo.toml
@@ -4,7 +4,7 @@ edition = "2021"
 license = "MIT"
 name = "shared"
 publish = false
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 
 [dependencies]
 anyhow = "1"
diff --git a/wireguard-control/Cargo.toml b/wireguard-control/Cargo.toml
index e976ef8..f36c73c 100644
--- a/wireguard-control/Cargo.toml
+++ b/wireguard-control/Cargo.toml
@@ -7,7 +7,7 @@ license = "LGPL-2.1-or-later"
 name = "wireguard-control"
 readme = "README.md"
 repository = "https://github.com/tonarino/innernet"
-version = "1.5.4-beta.4"
+version = "1.5.4-beta.5"
 
 [dependencies]
 base64 = "0.13"