[ 1441.043680][T12602] netdevsim netdevsim522 eni522np1: renamed from eth1
[ 1441.058244][T12604] netdevsim netdevsim475 eni475np1: renamed from eth0
[ 1444.671892][T12596] Could not find device with ifindex 2000 in netnsfd 11
[ 1444.672688][T12596] Could not find netns with fd: 2000
[ 1444.673584][T12596] Cannot link a netdevsim to itself
[ 1444.674456][T12596] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).