[ 2196.627834][T17614] gre: GRE over IPv4 demultiplexor driver
[ 2198.335195][T17637] ip_gre: GRE over IPv4 tunneling driver
[ 2251.098832][T18210] ip6_gre: GRE over IPv6 tunneling driver
[ 2287.345478][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2292.785394][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2297.393391][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2302.513422][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!