[ 4384.610955][T29227] gre: GRE over IPv4 demultiplexer driver
[ 4386.268452][T29250] ip_gre: GRE over IPv4 tunneling driver
[ 4435.129072][T29824] ip6_gre: GRE over IPv6 tunneling driver
[ 4451.505480][T30023] ping (30023) used greatest stack depth: 23472 bytes left
[ 4456.137286][T18807] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4463.255911][T30167] ping (30167) used greatest stack depth: 23440 bytes left
[ 4468.361185][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4473.226173][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4477.386146][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4482.250157][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!