[ 3018.836322][T26048] gre: GRE over IPv4 demultiplexer driver
[ 3020.430535][T26071] ip_gre: GRE over IPv4 tunneling driver
[ 3069.083973][T26658] ip6_gre: GRE over IPv6 tunneling driver
[ 3097.324031][T27001] ping (27001) used greatest stack depth: 23552 bytes left
[ 3102.465487][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3107.202383][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3111.298406][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3116.162386][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3155.267902][T27690] ip (27690) used greatest stack depth: 23360 bytes left