[15243.488921] Running test [R:13115133 T:19 - Networking tunnel: permtest - Kernel: 6.1.0] 
[15253.201952] tun: Universal TUN/TAP device driver, 1.6 
[15258.554536] IPv6: ADDRCONF(NETDEV_CHANGE): tun_a: link becomes ready 
[15258.619519] IPv6: ADDRCONF(NETDEV_CHANGE): tap_a: link becomes ready