[ 1236.829552][T12889] netdevsim netdevsim656 eni656np1: renamed from eth1
[ 1236.901000][T12890] netdevsim netdevsim433 eni433np1: renamed from eth0
[ 1239.738659][T12877] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.739844][T12877] Could not find netns with fd: 2000
[ 1239.740735][T12877] Cannot link a netdevsim to itself
[ 1239.741820][T12877] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).