[ 4340.948562][T29173] gre: GRE over IPv4 demultiplexer driver
[ 4342.582260][T29196] ip_gre: GRE over IPv4 tunneling driver
[ 4393.266607][T29768] ip6_gre: GRE over IPv6 tunneling driver
[ 4428.251751][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4433.435425][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4437.724372][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4442.716393][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!