[ 4445.383444][T28985] gre: GRE over IPv4 demultiplexer driver
[ 4447.018599][T29008] ip_gre: GRE over IPv4 tunneling driver
[ 4496.106090][T29579] ip6_gre: GRE over IPv6 tunneling driver
[ 4529.769795][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4534.761698][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4538.985677][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4543.849681][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!