[ 1227.783722][T12512] netdevsim netdevsim274 eni274np1: renamed from eth0
[ 1227.812800][T12514] netdevsim netdevsim716 eni716np1: renamed from eth1
[ 1230.412768][T12499] Could not find device with ifindex 2000 in netnsfd 11
[ 1230.414539][T12499] Could not find netns with fd: 2000
[ 1230.416011][T12499] Cannot link a netdevsim to itself
[ 1230.418788][T12499] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).