[ 4315.991335][T20168] gre: GRE over IPv4 demultiplexor driver
[ 4318.009642][T20192] ip_gre: GRE over IPv4 tunneling driver
[ 4378.978872][T20776] ip6_gre: GRE over IPv6 tunneling driver
[ 4421.050769][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4426.938665][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4432.122665][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4437.946664][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4526.528845][T22161] ping (22161) used greatest stack depth: 22256 bytes left