[ 4023.654391][T20595] gre: GRE over IPv4 demultiplexer driver
[ 4025.249182][T20618] ip_gre: GRE over IPv4 tunneling driver
[ 4074.092740][T21197] ip6_gre: GRE over IPv6 tunneling driver
[ 4109.387090][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4114.572008][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4118.795039][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4123.787033][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!