[ 3221.577207][T23671] gre: GRE over IPv4 demultiplexer driver
[ 3223.232966][T23694] ip_gre: GRE over IPv4 tunneling driver
[ 3244.354369][T23946] ping (23946) used greatest stack depth: 23376 bytes left
[ 3266.566052][T24208] ip (24208) used greatest stack depth: 22976 bytes left
[ 3272.414200][T24266] ip6_gre: GRE over IPv6 tunneling driver
[ 3306.058756][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3310.987677][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3315.211695][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3320.074714][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!