[ 1227.967733][T11143] netdevsim netdevsim280 eni280np1: renamed from eth0
[ 1228.011630][T11144] netdevsim netdevsim552 eni552np1: renamed from eth1
[ 1231.236924][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.237695][T11137] Could not find netns with fd: 2000
[ 1231.238276][T11137] Cannot link a netdevsim to itself
[ 1231.239304][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).