nixos/docker: load more required kernel modules
This builds on #76487. br_netfilter ------------ When I first added veth it was suggested I add bridge as well. Without veth I get the following error message when starting the daemon with security.lockKernelModules=true: > Running modprobe bridge br_netfilter failed with message: modprobe: ERROR: could not insert 'br_netfilter': Operation not permitted Therefore if we're going to add bridge we may as well add br_netfilter as well. xt_nat ------ Without xt_nat, docker cannot do dnat with iptables, failing with: > iptables v1.8.4 (legacy): unknown option \"--to-destination\"\nTry `iptables -h' or 'iptables --help' for more information.\n (exit status 2))
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@ -149,7 +149,7 @@ in
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###### implementation
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config = mkIf cfg.enable (mkMerge [{
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boot.kernelModules = [ "bridge" "veth" ];
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boot.kernelModules = [ "bridge" "veth" "br_netfilter" "xt_nat" ];
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boot.kernel.sysctl = {
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"net.ipv4.conf.all.forwarding" = mkOverride 98 true;
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"net.ipv4.conf.default.forwarding" = mkOverride 98 true;
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