[ 4076.394860][T28767] gre: GRE over IPv4 demultiplexer driver
[ 4078.130999][T28790] ip_gre: GRE over IPv4 tunneling driver
[ 4127.148718][T29362] ip6_gre: GRE over IPv6 tunneling driver
[ 4151.722256][T28477] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4160.682672][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4165.609647][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4169.961685][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4174.889693][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!