[ 4444.229155][T25883] gre: GRE over IPv4 demultiplexor driver
[ 4446.305584][T25906] ip_gre: GRE over IPv4 tunneling driver
[ 4509.360949][T26480] ip6_gre: GRE over IPv6 tunneling driver
[ 4552.177473][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4558.064420][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4563.121407][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4568.880474][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4592.250318][T27254] ping (27254) used greatest stack depth: 23440 bytes left