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rootless: ignore error when enabling IPv6 forwarding

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For hosts with IPv6 disabled.

Signed-off-by: Rob Murray <rob.murray@docker.com>
This commit is contained in:
Rob Murray
2025-11-16 11:49:49 +00:00
parent a81d441133
commit 5c9f2e0388
1 changed files with 3 additions and 2 deletions
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5
contrib/dockerd-rootless.sh
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@@ -228,9 +228,10 @@ else
# When running with --firewall-backend=nftables, IP forwarding needs to be enabled
# because the daemon won't enable it. IP forwarding is harmless in the rootless
# netns, there's only a single external interface and only Docker uses the netns.
# So, always enable IPv4 and IPv6 forwarding.
# So, always enable IPv4 and IPv6 forwarding. But ignore failure to enable IPv6
# forwarding, for hosts with IPv6 disabled.
sysctl -w net.ipv4.ip_forward=1
sysctl -w net.ipv6.conf.all.forwarding=1
sysctl -w net.ipv6.conf.all.forwarding=1 || true
exec "$dockerd" "$@"
fi