[ 4651.236890][T25004] gre: GRE over IPv4 demultiplexor driver
[ 4653.402368][T25027] ip_gre: GRE over IPv4 tunneling driver
[ 4719.926724][T25600] ip6_gre: GRE over IPv6 tunneling driver
[ 4748.937320][T25849] ping (25849) used greatest stack depth: 23072 bytes left
[ 4765.568501][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4771.711445][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4776.831402][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4782.976411][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4872.776130][T26938] ping (26938) used greatest stack depth: 22752 bytes left