[ 1220.146482][T11137] netdevsim netdevsim423 eni423np1: renamed from eth0
[ 1220.252973][T11136] netdevsim netdevsim737 eni737np1: renamed from eth1
[ 1223.550148][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1223.551346][T11129] Could not find netns with fd: 2000
[ 1223.552285][T11129] Cannot link a netdevsim to itself
[ 1223.553395][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).