[ 1170.917013][T11255] netdevsim netdevsim517 eni517np1: renamed from eth1
[ 1171.017902][T11256] netdevsim netdevsim377 eni377np1: renamed from eth0
[ 1174.091495][T11248] Could not find device with ifindex 2000 in netnsfd 11
[ 1174.092290][T11248] Could not find netns with fd: 2000
[ 1174.092919][T11248] Cannot link a netdevsim to itself
[ 1174.094030][T11248] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).