[ 1232.240006][T11264] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1232.246676][T11263] netdevsim netdevsim616 eni616np1: renamed from eth1
[ 1235.402277][T11256] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.402989][T11256] Could not find netns with fd: 2000
[ 1235.403544][T11256] Cannot link a netdevsim to itself
[ 1235.404517][T11256] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).