[ 4285.557291][T20278] gre: GRE over IPv4 demultiplexor driver
[ 4287.697480][T20302] ip_gre: GRE over IPv4 tunneling driver
[ 4349.482865][T20875] ip6_gre: GRE over IPv6 tunneling driver
[ 4391.303973][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4397.063881][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4401.992146][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4407.751970][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!