[ 3248.303808][T22124] gre: GRE over IPv4 demultiplexer driver
[ 3249.927617][T22148] ip_gre: GRE over IPv4 tunneling driver
[ 3276.610447][T22495] ping (22495) used greatest stack depth: 23264 bytes left
[ 3296.247027][T22721] ip6_gre: GRE over IPv6 tunneling driver
[ 3312.249278][T16911] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3319.353590][   T51] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3327.928123][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3332.728134][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3336.824138][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3341.561128][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!