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network/veth: refuse when peer and the main interface names are equivalent

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This commit is contained in:
Yu Watanabe 2024-09-10 03:00:09 +09:00
parent c60cd572bd
commit 98fbb3b5b0
1 changed files with 4 additions and 0 deletions
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4
src/network/netdev/veth.c
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@ -62,6 +62,10 @@ static int netdev_veth_verify(NetDev *netdev, const char *filename) {
"Veth NetDev without peer name configured in %s. Ignoring",
filename);
if (streq(v->ifname_peer, netdev->ifname))
return log_netdev_warning_errno(netdev, SYNTHETIC_ERRNO(EINVAL),
"Veth peer name cannot be the same as the main interface name.");
return 0;
}