[ 3213.419521][T23663] gre: GRE over IPv4 demultiplexer driver
[ 3215.084877][T23686] ip_gre: GRE over IPv4 tunneling driver
[ 3263.956908][T24257] ip6_gre: GRE over IPv6 tunneling driver
[ 3297.540304][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.403210][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3306.563224][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3311.492220][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3382.075420][T25638] ping (25638) used greatest stack depth: 23280 bytes left