[ 1227.787914][T11137] netdevsim netdevsim335 eni335np1: renamed from eth0
[ 1227.811809][T11136] netdevsim netdevsim696 eni696np1: renamed from eth1
[ 1231.192098][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.192853][T11129] Could not find netns with fd: 2000
[ 1231.193406][T11129] Cannot link a netdevsim to itself
[ 1231.194066][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).